Crustacean


[kruh-stey-shuh n] /krʌˈsteɪ ʃən/

noun
1.
any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice.
adjective
2.
belonging or pertaining to the crustaceans.
/krʌˈsteɪʃən/
noun
1.
any arthropod of the mainly aquatic class Crustacea, typically having a carapace hardened with lime and including the lobsters, crabs, shrimps, woodlice, barnacles, copepods, and water fleas
adjective
2.
of, relating to, or belonging to the Crustacea
n.

1835, from Crustacea the class name. As an adjective, 1858 (earlier was crustaceous, 1640s).
crustacean
(krŭ-stā’shən)
Any of various widespread arthropods of the class Crustacea that live mostly in water and have a hard shell, a segmented body, and jointed appendages. Crustaceans include crabs, lobsters, shrimp, barnacles, and copepods.
crustacean [(kru-stay-shuhn)]

A class of arthropods with shells.

Note: Crabs, lobsters, shrimp, and crayfish are crustaceans.

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